package com.zgs.mall.seckill.scheduled;

import com.zgs.mall.seckill.service.SeckillService;
import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;

/**
 * 秒杀商品定时上架
 *   每天晚上3点：上架最近三天需要秒杀的商品
 */
@Slf4j
@Service
public class SeckillSkuScheduled {
    @Autowired
    SeckillService seckillService;
    @Autowired
    RedissonClient redissonClient;
    final  String update_lock="seckill:upload:lock";
    @Scheduled(cron = "0 0 3 * * ?")
    public void uploadSeckillSkuLatest30Days(){
        //重新上架无需处理
        RLock lock = redissonClient.getLock(update_lock);
        lock.lock(10, TimeUnit.SECONDS);
        try{
            seckillService.uploadSeckillSkuLatest30Days();
        }finally{
            lock.unlock();
        }
    }
}
